Generally you need a battery charger to charge your AA batteries, but if you want to make full use of the USB ports on your computer or outlet, the Lightors USB AA rechargeable battery may be able to catch your eyes.
This is an innovative and practical AA rechargeable battery with USB connector that measures 70 x 13 x 13mm and weights 17g. As we can see from the images, the AA battery features an integrated USB connector in order that you can plug it into a USB port on your computer or outlet for convenient charging, and the AA rechargeable battery needs to take 5-7 hours to fully charge. After fully charged the USB battery with 1450mAh capacity offer energy for your camera, remote, flashlight and more. Apart from that, the positive doubles as a protective cap to protect the USB connector.